From e3aa33fc9a99d8b817bda42a567a4c347e18ab32 Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Sun, 23 Aug 2026 05:53:33 +0200
Subject: [add]: unified interface

---
 src/platform/vulkan/vulkan_renderer.h | 77 ++++++++++++-----------------------
 1 file changed, 27 insertions(+), 50 deletions(-)

(limited to 'src/platform/vulkan/vulkan_renderer.h')

diff --git a/src/platform/vulkan/vulkan_renderer.h b/src/platform/vulkan/vulkan_renderer.h
index a760cb4..d583f07 100644
--- a/src/platform/vulkan/vulkan_renderer.h
+++ b/src/platform/vulkan/vulkan_renderer.h
@@ -1,14 +1,12 @@
 #pragma once
 
-#include <glm/glm.hpp>
-#include <functional>
-#include <string>
-#include <vector>
+#include "rendering/renderer_backend.h"
 
 // Live-window Vulkan backend: owns the instance, surface, device, swapchain,
 // render pass, framebuffers and per-frame synchronization, and drives the
-// acquire -> record -> submit -> present loop. Pure-C++ header (no vulkan.h /
-// glfw leak); the GLFW window is passed as an opaque handle.
+// acquire -> record -> submit -> present loop. Implements the shared
+// RendererBackend interface (SceneObject / BlackHoleParams live there). Pure-C++
+// header (no vulkan.h / glfw leak); the GLFW window is passed as an opaque handle.
 namespace Donut
 {
     // Must be called BEFORE glfwInit() when the Vulkan API is selected: points
@@ -16,55 +14,34 @@ namespace Donut
     // macOS/Homebrew) and configures the MoltenVK ICD / layer paths.
     auto vulkan_prepare_glfw() -> void;
 
-    // A placeable/editable sphere in the world-builder scene view.
-    struct SceneObject
-    {
-        glm::vec3 position = { 0.0f, 2.0f, 0.0f };
-        float     radius   = 2.0f;
-        glm::vec3 color    = { 0.85f, 0.35f, 0.2f };
-    };
-
-    class VulkanRenderer
+    class VulkanRenderer : public RendererBackend
     {
     public:
         VulkanRenderer();
-        ~VulkanRenderer();
+        ~VulkanRenderer() override;
 
         // glfwWindow must be a GLFW window created with GLFW_NO_API.
-        auto init(void* glfwWindow, int width, int height) -> bool;
-        auto shutdown() -> void;
-
-        // Creates the ImGui context + Vulkan/GLFW backends. Call after init().
-        auto init_im_gui() -> bool;
-
-        // Renders + presents one frame: clears to clearColor, then (if init_im_gui
-        // ran) opens an ImGui frame, invokes buildUI to populate it, and draws it.
-        auto draw_frame(const glm::vec4& clearColor, const std::function<void()>& buildUI = {}) -> void;
-
-        auto on_resize(int width, int height) -> void;
-
-        // Rebuilds the starfield environment cubemap from another equirect .hdr
-        // at runtime (device-idle teardown + rebuild + descriptor rewrite).
-        // No-op if path is already the active HDRI.
-        auto set_hdri(const std::string& path) -> void;
-
-        // Filesystem path of the HDRI currently backing the cubemap.
-        auto current_hdri() const -> const std::string&;
-
-        // Free-fly (WASD + mouse-look) camera vs the default orbital camera.
-        // Enabling seeds the fly pose from the current orbital framing (no jump).
-        auto set_free_fly(bool enabled) -> void;
-        auto is_free_fly() const -> bool;
-
-        // Switch between the black-hole geodesic view and the world-builder scene
-        // view (grid/sphere/skybox drawn with real Vulkan geometry pipelines).
-        auto set_scene_mode(bool enabled) -> void;
-        auto is_scene_mode() const -> bool;
-
-        // Runtime scene objects (spheres) drawn in scene view; the UI mutates this
-        // list directly. set_selected_object marks one for a rim highlight (-1 = none).
-        auto scene_objects() -> std::vector<SceneObject>&;
-        auto set_selected_object(int index) -> void;
+        auto init(void* glfwWindow, int width, int height) -> bool override;
+        auto init_ui() -> bool override;
+        auto shutdown() -> void override;
+        auto resize(int width, int height) -> void override;
+
+        auto draw_frame(const glm::vec4& clear_color,
+                        const std::function<void()>& build_ui) -> void override;
+
+        auto set_scene_mode(bool enabled) -> void override;
+        auto is_scene_mode() const -> bool override;
+        auto set_free_fly(bool enabled) -> void override;   // seeds the fly pose from the orbital framing
+        auto is_free_fly() const -> bool override;
+        auto reset_camera() -> void override;
+
+        auto set_hdri(const std::string& path) -> void override;  // rebuilds the cubemap (device-idle)
+        auto current_hdri() const -> const std::string& override;
+        auto scene_objects() -> std::vector<SceneObject>& override;
+        auto set_selected_object(int index) -> void override;
+        auto black_hole_params() -> BlackHoleParams& override;
+
+        auto device_name() const -> const std::string& override;
 
     private:
         struct Impl;
-- 
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